Machine fob slashing and expanding flat sheet-metal to



. N4 She ets Sheet '1. J. I'. GOLDING .& G. B.- DURK-EE. MACHINE FOR SLASHING AND EXPANDING PLAT SHEBT MBTAL T0 v FOR-M MESHES. x

N6. ssL'zso. Pmmd Apr. 17, 1888...

"(No Model.)

if} x 4 in.

' N. PETERS Pnowmhn n w, Washington ac 4 Sheets=-Sheet 2. I I J. F. GOLDING & G. B. DU'RKEH- Y MA-GHINE FOR SLASHI NG AND EXPANDING FLAT SHEET-METAL T0 Patented Apr..1 7, 188:8

& Phnlo-ljihognphar, Wallinglcn, n C.

FORM MESYHBS.Y

I I I I. I I I i I'l Imlll I 'l -Ii! illlllllllllll (No Model.) v r r; '4 Shee ts-Sheefi 3.

'- I J.P. GOLDING 8v GJIBLDURKEE; f MACHINE FOR SLASHING AND EXPANDING FLATSHEET METAL T0 FORM ME'SHES; 4 v N0. 381,23. 4 F .9. PatehtedApnl'Y, 188'8.

291,6. Q N N W JJW:

U TED STATE PATE T-O CEQ JOHN FRENCH GOLDING AND GEORGE B. DU-RKEE, OF oIIIoAGo, LLINOIS; I

ASSIGNQRS, BY DIREGTAND ME E ASSIGNMENTS, To THE. EXPANDED METAL COMPANY, or MISSOURI. q e

' MACHINE FORSLASHINGI ANDEXPANDING FLAT SHEET Ml-Zl'AL TOJFORM'MESHESIV SPECIFICATION Iqrming part ofLetters Patent No. 381.23g dated April 17, 1 888.. f Application filed March 31, 1885. Serial No.160,735.' e model.) ToaZZ whom'it may concern: I gear-wheel G, the latter not shown inthe Beitknown thatwe,JoHNFRENoHGoLDINd drawings, 'but being located attherear-of main 50; and GEORGE E. DURKEE, both citizens of the gear-wheel Hand gearing therewith. I United States, and residents of'thecity of Ohi- II are eccentrics located on shaft D. be- I 'cago,in the State of Illinois, have invented tween the frames A and B. r g e I certain new and useful Improvements in Ma- J is the vertically-traveling cross-head,con-

chines for slashing and Expanding FlatMetalnected to eccentrics 'I I by links K Kand 5 5 to Form Meshes, of which the following is a traveling in guides L L on frameA B. Specification.v M is the knife-bar attached to the yerti [0 Figure 1 is afront elevation of the machine, I (rally-traveling cross-head J,andsecured therealso showing the metal formed into meshes isto by suitable bolts, 1 a,-'Fig. 11. 7 I o I e suing from the machine. Fig. 2 is a plan Njs'the longitudinally-travelingbaiglocated 60 view through line a z of Fig. 1. Fig. 3 is a on bed-plate O, as shown in Figs. 4 and 10,

verticalsectional view through line yy of Fig. provided witli guide 1), working in a slot in" "j I 2. Fig. 4 is a vertical cross-sectional view the b'ed-plate/G.

through line x x, Fig. 2. Fig. 5 is a detail O-is, the knife-bar attached to the longi front elevation of bar-holding dogs. Fig. 6 is tudinally-traveling barN, and fastened there- 65 a detail perspective View of lower knife-bar, to by bolt (1.. I 1 showing knives in position. Fig. 7 is a peree 6 are knives attached to the upperknife spective of one of the knives. Fig. 8 is a perbar, M, placed at an angle thereon, as shown spective of nut-block. Fig. 9 is a sectional in Fig. 9 and in dotted lines on-beamJ, Fig. perspective viewofuppervertically-traveling 11. The saidknives are fastened tothe knife: '70 beam, showing knives and knife-bar in posibars M and- O, Figs. 9, 10, and 6. by counter, tion. Fig. 10 is a sectional perspective of sunk bolts h, which pass through thekn'ife and lower longitudinally-traveling bar, showing into the nut-blockP. This nut-block is'inT' knife-bar and upper ends. of knives attached form and fits in corresponding recesses, 13 z, in A thereto. Fig. 11 is a reverseview of Figs. 9 "bars M a g q 6 n '1 'lh se kniv s and 10, showing strands of expanded metal in are made adjustable upwardanddownwardby' connection therewith. Fig. 12 isa detail perbolts and jam-nutsnn, locatedatoneend, Figs.

7 3o spective of device 'foractuating lower long-i Band 9, and working against shoulders-1b.

' tudinally-traveling bar. Fig. 13 is a detail The knivesin both upper and lower bars are perspective of ca m shown inFig. 12. Fig.14 secured in the same manner by the use}of--nutshows a piece of flat metal partially cut and blocks P, whichare similarly located inboth partially uncut and expanded in the form of bars, and also are adjustable by the bolts'and .35 meshes. Fig. '15 shows roller with threaded jam-nuts an, similarly located in the respect-e, f

surface and spring to force it down. ive bars. The knivest, Fig. 6, on lowerbar,, The natnreand object of this invention are 0, also are placed at an angle with the bar to 8 5 to provide a machine for cutting and expandwhich they are attached- The knives: on the ing flat metal into the form of meshes. l upper bar are setfacingthe knives in the lower 0 ,Similar letters and figures of reference refer bar, as shown in Figs.i,9, 10, and 11. 3. Int e to similar parts in the different figures. si-mul-taneous respe tiye movements ofthegp A and B are the end frames of the machine, penning.121?QLQlFitheinclisfilurfadesoitll 9 connected together by a bed-piece, O. upper kg iy es move along parallelwith the inv D is the main shaft, working in the frames ,clinfiii lrlggltig61"the'lowerknivesftlie' faces T, 5 A and B, provided with suitable bearings. of the 15yiiiesxfittingxlosely to ether. The

E is the driving-shaft, secured to frames A lower longitudinally-traveling bar, N -is ef a Y and B by suitable boxing, having at one end wedge form, as shown in Figs. 10 an'd2. "In I the pulley Fand at the other end the spur 2 His more clearlyshownexteiiding f q to q, the dotted line r showing the rear beveled edge, the knives covering the front line of the bar. On the end of shaft D, Fig. 1, opposite gear-wheel H, is the eccentric S, from which extends pitman T, which actuates plunger Q, and the latter, working in box U, Fig. 1, actuates pawl V, which is located in box W and held in position by the spring 2. (See Fig. 12.)

3 is a cam located on longitudinally-traveling bar N, Figs. 1, 12, and 13, having under edge, 4, cut beveled, Figs. 12 and 13. On. the upper surface of the lower longitudinallytraveling bar, N, is a stationary plate, 6, firmly fastened to lower bed-plate by projections 7 7, Figs. 2 and 4, extending through frame A and supported by brackets 9, Fig. 1. V

8, Figsl 3 and 4, is a pressure bar, located above plate 6, extending between and secured to frame A B, as is also shown by dotted lines in Fig. 1. This pressure-bar 8extends through frame A to the front of the feeding device over plate 6. v In Fig. 3 are shown the plates6 and 8 and the feeding device attached thereto.

10 10, Fig. 3, are lower feed-rolls in cutaway part of plate 6. 11 11 are upper feedrolls in plate 8. The surfaces of these feedrolls are corrugated. The feed-rolls 11 11 are held in place 'by cap 12 and tension-springs and bolts 13 13. (Shown in Figs. 2 and 3.)

In Fig. 3 the upper rollers, 11 11, are shown annularly grooved to allow plate 8 to remain in a continuous strip, the lower rolls being similarly grooved for a like purpose. These feed-rolls are actuated by gears at one end of each, which are driven by a larger wheel, Fig.

2, on shaft 15. On this shaft is a clutch-wheel,

16, with arm 17, Figs. 1 and 2, joined to the lower end of connecting-rod 18, which is connected to crank-pin 19 on main shaft D. This crankpiu is adjustable by means of a slot and a set-screw. The end of shaft works in caps 12, Figs. 2 and 3, and its projecting end is supported by bracket 20, attached to frame A.

In pressure-bar 8, Figs. 1, 2, 4, and 5, are

shown dogs 21, loosely attached to said bar at their upper ends by a bolt and dropping obliquely therefrom ,and on their upper sides are set springs 22, their lower beveled ends being serrated and located close to the upper knives.

23, Figs. 2 and 4, is a roller having screwlike projections, forming corresponding annular grooves on its surface, set in bar 8, and set at an angle with the rear face of the lower bar, N, and is pressed downward by spring 25, Fig. 15.

The under surface of the pressure-bar 8, Fig.

4, is partially cutaway, leaving flange 24, which fits into a correspondingly cut-away part in plate 6, for the purpose of forming a guide.

The operation of our machine is as follows: Motion is communicated to the main drivingwheel by pulley F and through intermediate connections to eccentrics, which in turn raise and lower the cross-beam J, to which are se cured the upper knives. As the upper knives descend, their inclined edges engage with the,

inclined edges of the lower knives, causing the lower bar, N, and its knives to'travel in a 1ongitudinal direction, as indicated by the arrows in Figs. 9 and 10. As the upper beam, J, descends in direction indicated by thearrow, the plunger Q also descends, being actuated by eccentric S. In this act of descending the pawl V passes over the sloping surface 5 of cam 3, Fig. 12, when it is returned beneath the beveled edge 4 of said cam by spring 2. In the upward movement of the plunger the pawl V moves upward in a vertical line, and by this act forces a return of bar N to its original position.

It will be observed that in its longitudinal movement the lower bar, N, moves in a direction oblique to the face to which the knives are secured, the knives in both upper and lower bars being set at an angle with the plane of these bars, and as the upper knives, having beveled or inclined edges, have to pass downward along the beveled or inclined edges of the lower knives, causing a downward shear cut, the rear plane of the lower bar is correspondingly beveled to allow the knives to travel in their individual planes.

A, Fig. 3, is a piece of flat metal fed between the bars 6 and 8, and by means of the feed-rolls is carried over the knives of the lower bar intermittingly along the line of the guide 24, Figs. 4 and 3. Consequently it is first brought in contact with the knives at one of its corners, and that part between the knives is simultaneously cut and pressed downward by the downward movement of the upper knives, the receding action of the lower knivesallowing the cut strands to be expanded downward and to contract endwise. At the next feed it is evident that the metal will encounter additional knives, and so on until it has passed to the knife farthest from the feedrolls, when at each downward stroke the upper knives of the machine are cutting to their full capacity.

In Fig. 11 is shown the position of the strands being cut and bent downward from the plane of the metal, the length of the uncut spaces depending upon the length of the feed. The feed-rollers are actuated from a crank-pin on the main shaft 1). In Fig. 1 is shown the material cut and expanded, with an uncut por- IIO tion in the act of being fed into the machine.

The metal passes under dogs 21 freely, and is clutched by the dogs through the action of springs 22, and is firmly held between the dogs and plate 6, allowing the longitudinally-trav- 381,230 1 a I Y 1 3" be any kind that will grasp the shaft and turn it inone direction and slip by the shaft in the other direction.

1'. In a machine for cutting and expanding fiat metal into meshes, thecombination of two sliding cutter-heads each provided with cutters and each set of cutters arrangedinstep form on its respective head, the movement of one cutter-head being longitudinal and the movement of the other being at or near a right angle thereto, the cutters of each set adapted to fit into: and pass over the faces'of the other set, and a suitable intermittent feeding device arranged and adapted by means of mechanism to feed metal between said cutters in line with and in the direction of the forward travel of said longitudinally-traveling head.

2. In a machine for cutting and expanding flat metal into 1neshes,the combination of two sliding cntterheads each provided withcutters, and each set of cuttersiarranged in step.

form on its respective head, the movement of one cutter-head being-longitudinal and the movement of the other being all 1 997251;

right angle thereto, the cutters; of each set adapted tofit into and. pass over the faces of it the other set, and a suitable fixed guide 10- cated atthe rearof and parallel witlcrthe travel ofsaid longitndinally-slidinghead. I o a 3. In a machine for cutting and expanding fiat metal into meshes, thecombination-of two sliding cutter-heads eachprovided with cutters and each set of cutters arranged. in step form on its respective head, the movement of 3 5 one cutter-head being longitudinal and the movement of the other being at or near a right angle thereto, the cutters of 'each set adapted V to fit into and pass over the faces of the other set,

and a suitableclampingdevice.constructed o 

